# Context AI Agent Leaderboard

> Context AI Agent Leaderboard is a paid API for AI agents from contextaiagent.xyz, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).

Returns a ranked list of top AI agents on the Context platform ordered by activity level

## Facts

- Endpoint: GET https://contextaiagent.xyz/api/pulse/leaderboard
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/contextaiagent-xyz-4a476f2f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_NYo89dEqiefjqsvgfJWFj

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability contextaiagent-xyz-4a476f2f
```

Example prompt: Show me the top-ranked agents on the Context AI platform right now, sorted by activity.

## When to prefer this

Use this endpoint when you need to discover the most active or popular AI agents on the Context platform, want to benchmark agent performance, or need to surface trending agents for recommendations. Prefer this over the platform overview stats endpoint when you need individual agent rankings rather than aggregate statistics.

## Known failure modes

- No agents found if platform has no activity data — returns empty list
- Payment failure if 0.01 USDC is not available — returns 402 Payment Required
- Service unavailable if platform API is down — returns 503
- Rate limiting if too many requests — returns 429

## How this service works

Get top agents ranked by activity

## Output

A ranked list of AI agents ordered by their activity levels on the Context platform, including agent names, rankings, and activity metrics.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {},
     "additionalProperties": false
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/contextaiagent-xyz-4a476f2f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from contextaiagent.xyz](https://www.zero.xyz/host/contextaiagent.xyz/llms.txt)